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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app" @click="message+='~'">{{message}}</div>

    <script src="vue.js"></script>
    <script>
        new Vue({
            el: "#app",
            data: {
                message: "Hello Vue.js"
            }
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</body>

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